Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o par para Hale Irwin dos Estados Unidos?
 ###Tabelas: CREATE TABLE second_round (second_round_id AUTO_INCREMENT PRIMARY KEY, Place VARCHAR, Player VARCHAR, Country VARCHAR, Score VARCHAR, To par VARCHAR) CREATE TABLE ternary_azeotropes (ternary_azeotropes_id AUTO_INCREMENT PRIMARY KEY, 2nd component VARCHAR, b.p. 2nd comp. (˚C) INT, 3rd component VARCHAR, b.p. 3rd comp. (˚C) VARCHAR, b.p. azeo. (˚C) VARCHAR, % wt 1st VARCHAR, % wt 2nd VARCHAR, % wt 3rd VARCHAR) CREATE TABLE 2002 (2002_id AUTO_INCREMENT PRIMARY KEY, Opposing Teams VARCHAR, Against INT, Date VARCHAR, Venue VARCHAR, Status VARCHAR) CREATE TABLE team_seedings (team_seedings_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Team VARCHAR, Total Points INT, 2008-09 Points INT, 2007-08 Points INT, 2006-07 Points INT, 2005-06 Points INT) CREATE TABLE non-parliamentary_parties (non-parliamentary_parties_id AUTO_INCREMENT PRIMARY KEY, English party name VARCHAR, Norwegian party name VARCHAR, Associated ideology VARCHAR, Current leader VARCHAR, International affiliation VARCHAR, 2013 Parliamentary election VARCHAR, County councils ( 2011 ) INT)  
SELECT To par FROM second_round WHERE Country = united states AND Player = hale irwin